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<div class="title">binary_tree_iter.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#ifndef BINARY_TREE_ITER_H</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define BINARY_TREE_ITER_H</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#include &lt;stack&gt;</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#include &lt;cassert&gt;</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#include &lt;stdexcept&gt;</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#include &lt;boost/iterator/iterator_facade.hpp&gt;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;</div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#include &quot;tree_common.h&quot;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;</div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="keyword">namespace </span>tree</div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;{</div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> N&gt;</div>
<div class="line"><a name="l00019"></a><span class="lineno"><a class="line" href="classtree_1_1btree__iterator.html">   19</a></span>&#160;<span class="keyword">class </span><a class="code" href="classtree_1_1btree__iterator.html">btree_iterator</a> : <span class="keyword">public</span> boost::iterator_facade&lt;btree_iterator&lt;T, N&gt;, T, boost::forward_traversal_tag&gt;</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;{</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="keyword">protected</span>:</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;    <a class="code" href="classtree_1_1btree__iterator.html">btree_iterator</a>()</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;        :m_Current(<span class="keyword">nullptr</span>)</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;    {};</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="classtree_1_1btree__iterator.html">btree_iterator</a>(N* node)</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;        :m_Current(node)</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;    {};</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;    <span class="keyword">friend</span> <span class="keyword">class </span>boost::iterator_core_access;</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span>&gt; <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classtree_1_1cBinaryRep.html">cBinaryRep</a>;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    <span class="keywordtype">bool</span> equal(<span class="keyword">const</span> <a class="code" href="classtree_1_1btree__iterator.html">btree_iterator&lt;T, N&gt;</a>&amp; other)<span class="keyword">const</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;        <span class="keywordflow">return</span> m_Current == other.m_Current;</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    };</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    T&amp; dereference()<span class="keyword">const</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;        <span class="keywordflow">return</span> m_Current-&gt;data;</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    };</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> increment()</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    {</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    };</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="keyword">protected</span>:</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    N *m_Current;</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;};</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> N&gt;</div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classtree_1_1btree__preorder__iterator.html">   55</a></span>&#160;<span class="keyword">class </span><a class="code" href="classtree_1_1btree__preorder__iterator.html">btree_preorder_iterator</a> : <span class="keyword">public</span> <a class="code" href="classtree_1_1btree__iterator.html">btree_iterator</a>&lt;T, N&gt; </div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;{</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    <a class="code" href="classtree_1_1btree__preorder__iterator.html">btree_preorder_iterator</a>()</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        :<a class="code" href="classtree_1_1btree__iterator.html">btree_iterator&lt;T, N&gt;</a>(),</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        m_NextNode(this-&gt;m_Current)</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    {};</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="classtree_1_1btree__preorder__iterator.html">btree_preorder_iterator</a>(N* node)</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;        :<a class="code" href="classtree_1_1btree__iterator.html">btree_iterator&lt;T, N&gt;</a>(node),</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        m_NextNode(this-&gt;m_Current)</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    {</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;        m_Stack.push(m_NextNode);</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    };</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    <span class="keywordtype">void</span> increment()</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    {</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        <span class="keywordflow">if</span>(<span class="keyword">nullptr</span> == this-&gt;m_Current)</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;            <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;        <span class="keywordflow">if</span>(!m_Stack.empty())</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;        {</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;            m_NextNode = m_Stack.top();</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;            m_Stack.pop();</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;            <span class="keywordflow">if</span>(<span class="keyword">nullptr</span> != m_NextNode-&gt;right)</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;                m_Stack.push(m_NextNode-&gt;right);</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;            <span class="keywordflow">if</span>(<span class="keyword">nullptr</span> != m_NextNode-&gt;left)</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;                m_Stack.push(m_NextNode-&gt;left);</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;            this-&gt;m_Current = m_NextNode;</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;        }</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;        {</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;            this-&gt;m_Current = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;        }</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    };</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    N *m_NextNode;</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    std::stack&lt;N*&gt; m_Stack;</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;};</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> N&gt;</div>
<div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="classtree_1_1btree__inorder__iterator.html">  100</a></span>&#160;<span class="keyword">class </span><a class="code" href="classtree_1_1btree__inorder__iterator.html">btree_inorder_iterator</a> : <span class="keyword">public</span> <a class="code" href="classtree_1_1btree__iterator.html">btree_iterator</a>&lt;T, N&gt; </div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;{</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    <a class="code" href="classtree_1_1btree__inorder__iterator.html">btree_inorder_iterator</a>()</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        :<a class="code" href="classtree_1_1btree__iterator.html">btree_iterator&lt;T, N&gt;</a>(),</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;        m_NextNode(this-&gt;m_Current)</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    {};</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="classtree_1_1btree__inorder__iterator.html">btree_inorder_iterator</a>(N* node)</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;        :<a class="code" href="classtree_1_1btree__iterator.html">btree_iterator&lt;T, N&gt;</a>(node),</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;        m_NextNode(this-&gt;m_Current)</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    {};</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    <span class="keywordtype">void</span> increment()</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    {</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        <span class="keywordflow">if</span>(<span class="keyword">nullptr</span> == this-&gt;m_Current)</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;            <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;        <span class="keywordflow">while</span>(<span class="keyword">nullptr</span> != m_NextNode)</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;        {</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;            m_Stack.push(m_NextNode);</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;            m_NextNode = m_NextNode-&gt;left;</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;        }</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;        <span class="keywordflow">if</span>(!m_Stack.empty())</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;        {</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;            m_NextNode = m_Stack.top();</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;            m_Stack.pop();</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;            this-&gt;m_Current = m_NextNode;</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;            m_NextNode = m_NextNode-&gt;right;</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;        }</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;            this-&gt;m_Current = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    }</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    N *m_NextNode;</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    std::stack&lt;N*&gt; m_Stack;</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;};</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> N&gt;</div>
<div class="line"><a name="l00142"></a><span class="lineno"><a class="line" href="classtree_1_1btree__postorder__iterator.html">  142</a></span>&#160;<span class="keyword">class </span><a class="code" href="classtree_1_1btree__postorder__iterator.html">btree_postorder_iterator</a> : <span class="keyword">public</span> <a class="code" href="classtree_1_1btree__iterator.html">btree_iterator</a>&lt;T, N&gt; </div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;{</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;    <a class="code" href="classtree_1_1btree__postorder__iterator.html">btree_postorder_iterator</a>()</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;        :<a class="code" href="classtree_1_1btree__iterator.html">btree_iterator&lt;T, N&gt;</a>(),</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;        m_NextNode(this-&gt;m_Current)</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;    {};</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="classtree_1_1btree__postorder__iterator.html">btree_postorder_iterator</a>(N* node)</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;        :<a class="code" href="classtree_1_1btree__iterator.html">btree_iterator&lt;T, N&gt;</a>(node),</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;        m_NextNode(this-&gt;m_Current)</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;    {};</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    <span class="keywordtype">void</span> increment()</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    {</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;        <span class="keywordflow">if</span>(<span class="keyword">nullptr</span> == this-&gt;m_Current)</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;            <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;        <span class="keywordflow">while</span>(<span class="keyword">true</span>)</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;        {</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;            <span class="keywordflow">if</span>(<span class="keyword">nullptr</span> != m_NextNode)</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;            {</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;                <span class="keywordflow">if</span>(<span class="keyword">nullptr</span> != m_NextNode-&gt;right)</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;                {</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;                    m_Stack.push(m_NextNode-&gt;right);</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;                }</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;                m_Stack.push(m_NextNode);</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;                m_NextNode = m_NextNode-&gt;left;</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;                <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;            }</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;            <span class="keywordflow">if</span>(!m_Stack.empty())</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;            {</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;                m_NextNode = m_Stack.top();</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;                m_Stack.pop();</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;                <span class="keywordflow">if</span>( (<span class="keyword">nullptr</span> != m_NextNode-&gt;right) &amp;&amp; !m_Stack.empty() &amp;&amp; (m_Stack.top() == m_NextNode-&gt;right) )</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;                {</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;                    m_Stack.pop();</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;                    m_Stack.push(m_NextNode);</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;                    m_NextNode = m_NextNode-&gt;right;</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;                }</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;                <span class="keywordflow">else</span></div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;                {</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;                    this-&gt;m_Current = m_NextNode;</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;                    m_NextNode = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;                    <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;                }</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;            }</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;            {</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;                this-&gt;m_Current = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;                <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;            }</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;        }</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;    }</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;    N *m_NextNode;</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;    std::stack&lt;N*&gt; m_Stack;</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;};</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00212"></a><span class="lineno"><a class="line" href="classtree_1_1btree__iterator_3_01T_00_01btree__threaded__node_3_01T_01_4_01_4.html">  212</a></span>&#160;<span class="keyword">class </span><a class="code" href="classtree_1_1btree__iterator.html">btree_iterator</a>&lt;T, <a class="code" href="structtree_1_1btree__threaded__node.html">btree_threaded_node</a>&lt;T&gt; &gt;: <span class="keyword">public</span> boost::iterator_facade&lt;btree_iterator&lt;T, btree_threaded_node&lt;T&gt; &gt;, T, boost::bidirectional_traversal_tag&gt;</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;{</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;<span class="keyword">protected</span>:</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;    <span class="keyword">typedef</span> <a class="code" href="structtree_1_1btree__threaded__node.html">btree_threaded_node&lt;T&gt;</a> <a class="code" href="structtree_1_1btree__threaded__node.html">N</a>;</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;    <a class="code" href="classtree_1_1btree__iterator.html">btree_iterator</a>()</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;        :m_Current(<span class="keyword">nullptr</span>),</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;        m_Root(<span class="keyword">nullptr</span>)</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;    {};</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="classtree_1_1btree__iterator.html">btree_iterator</a>(<a class="code" href="structtree_1_1btree__threaded__node.html">N</a>* node, <a class="code" href="structtree_1_1btree__threaded__node.html">N</a>* root)</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;        :m_Current(node),</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;        m_Root(root)</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;    {};</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;    <span class="keyword">friend</span> <span class="keyword">class </span>boost::iterator_core_access;</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span>&gt; <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classtree_1_1cThreadedRep.html">cThreadedRep</a>;</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;</div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;    <span class="keywordtype">bool</span> equal(<span class="keyword">const</span> <a class="code" href="classtree_1_1btree__iterator.html">btree_iterator&lt;T, N&gt;</a>&amp; other)<span class="keyword">const</span></div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;        <span class="keywordflow">return</span> (m_Current == other.m_Current) &amp;&amp; (m_Root == other.m_Root);</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;    };</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;</div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;    T&amp; dereference()<span class="keyword">const</span></div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;        <span class="keywordflow">return</span> m_Current-&gt;data;</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;    };</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> increment()</div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;    {};</div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> decrement()</div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;    {};</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;</div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;<span class="keyword">protected</span>:</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;    <a class="code" href="structtree_1_1btree__threaded__node.html">N</a> *m_Current;</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;    <a class="code" href="structtree_1_1btree__threaded__node.html">N</a> *m_Root;</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;};</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00252"></a><span class="lineno"><a class="line" href="classtree_1_1btree__inorder__iterator_3_01T_00_01btree__threaded__node_3_01T_01_4_01_4.html">  252</a></span>&#160;<span class="keyword">class </span><a class="code" href="classtree_1_1btree__inorder__iterator.html">btree_inorder_iterator</a>&lt;T, <a class="code" href="structtree_1_1btree__threaded__node.html">btree_threaded_node</a>&lt;T&gt; &gt; : <span class="keyword">public</span> <a class="code" href="classtree_1_1btree__iterator.html">btree_iterator</a>&lt;T, btree_threaded_node&lt;T&gt; &gt; </div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;{</div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;    <span class="keyword">typedef</span> <a class="code" href="structtree_1_1btree__threaded__node.html">btree_threaded_node&lt;T&gt;</a> <a class="code" href="structtree_1_1btree__threaded__node.html">N</a>;</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;    <a class="code" href="classtree_1_1btree__inorder__iterator.html">btree_inorder_iterator</a>()</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;        :<a class="code" href="classtree_1_1btree__iterator.html">btree_iterator&lt;T, N&gt;</a>()</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;    {};</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="classtree_1_1btree__inorder__iterator.html">btree_inorder_iterator</a>(<a class="code" href="structtree_1_1btree__threaded__node.html">N</a>* node, <a class="code" href="structtree_1_1btree__threaded__node.html">N</a>* root)</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;        :<a class="code" href="classtree_1_1btree__iterator.html">btree_iterator&lt;T, N&gt;</a>(node, root)</div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;    {};</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;    <span class="keywordtype">void</span> increment()</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;    {</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;        <span class="keywordflow">if</span>(<span class="keyword">nullptr</span> == this-&gt;m_Current)</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;            <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;        <span class="keywordflow">if</span>(<span class="keyword">true</span> == this-&gt;m_Current-&gt;rTag)</div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;        {</div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;            this-&gt;m_Current = this-&gt;m_Current-&gt;right;</div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;            <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;        }</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;        {</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;            this-&gt;m_Current = this-&gt;m_Current-&gt;right;</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;        }</div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;        <span class="keywordflow">while</span>(<span class="keyword">false</span> == this-&gt;m_Current-&gt;lTag)</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;            this-&gt;m_Current = this-&gt;m_Current-&gt;left;</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;    };</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;    <span class="keywordtype">void</span> decrement()</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;    {</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;        <span class="keywordflow">if</span>(<span class="keyword">nullptr</span> == this-&gt;m_Current || this-&gt;m_Current == this-&gt;m_Root)</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;            <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;    </div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;        <span class="keywordflow">while</span>(this-&gt;m_Current-&gt;lTag != <span class="keyword">false</span>)</div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;        {</div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;            this-&gt;m_Current = this-&gt;m_Current-&gt;left;</div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;        }</div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;        this-&gt;m_Current = this-&gt;m_Current-&gt;left;</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;    };</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;};</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;</div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;};<span class="comment">//namespace tree</span></div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;</div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;<span class="preprocessor"></span></div>
<div class="ttc" id="classtree_1_1btree__iterator_html"><div class="ttname"><a href="classtree_1_1btree__iterator.html">tree::btree_iterator</a></div><div class="ttdef"><b>Definition:</b> binary_tree_iter.h:19</div></div>
<div class="ttc" id="classtree_1_1btree__preorder__iterator_html"><div class="ttname"><a href="classtree_1_1btree__preorder__iterator.html">tree::btree_preorder_iterator</a></div><div class="ttdef"><b>Definition:</b> binary_tree_iter.h:55</div></div>
<div class="ttc" id="classtree_1_1btree__inorder__iterator_html"><div class="ttname"><a href="classtree_1_1btree__inorder__iterator.html">tree::btree_inorder_iterator</a></div><div class="ttdef"><b>Definition:</b> binary_tree_iter.h:100</div></div>
<div class="ttc" id="classtree_1_1cThreadedRep_html"><div class="ttname"><a href="classtree_1_1cThreadedRep.html">tree::cThreadedRep</a></div><div class="ttdef"><b>Definition:</b> threaded_rep.h:12</div></div>
<div class="ttc" id="structtree_1_1btree__threaded__node_html"><div class="ttname"><a href="structtree_1_1btree__threaded__node.html">tree::btree_threaded_node</a></div><div class="ttdef"><b>Definition:</b> tree_common.h:49</div></div>
<div class="ttc" id="classtree_1_1btree__postorder__iterator_html"><div class="ttname"><a href="classtree_1_1btree__postorder__iterator.html">tree::btree_postorder_iterator</a></div><div class="ttdef"><b>Definition:</b> binary_tree_iter.h:142</div></div>
<div class="ttc" id="classtree_1_1cBinaryRep_html"><div class="ttname"><a href="classtree_1_1cBinaryRep.html">tree::cBinaryRep</a></div><div class="ttdef"><b>Definition:</b> binary_rep.h:17</div></div>
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    <li class="navelem"><a class="el" href="dir_70093cb3a9d1f8840af4e997fde867c3.html">tree</a></li><li class="navelem"><b>binary_tree_iter.h</b></li>
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